All other known localities are also on Cat Ba Island.

The other known locality is also in Edgbaston.

It is considered rare, with few known localities, but its range has not yet been systematically studied.

The only known locality of N. flava does not lie within the boundaries of a national park.

M. neilyoungi is widely distributed throughout Alabama, with one known locality from northwestern Florida.

It is also home to the prairie rattlesnake and one of few known localities of rattlesnakes in Saskatchewan.

Birdlife International estimates a total of under 400 birds for the known localities.

The specific name fijiensis is derived from the Pacific island nation of Fiji, the only known locality for the species.

Although found nearly worldwide, Riella populations are sporadic and limited to only a few known localities.

Jordan has significant oil shale deposits occurring in 26 known localities.